ProgressiveRC 8 PowerLab - Manual (Page 43)

Supply tab
Use the Supply tab to:
Set the default power source type.
Specify power source voltage and current limits.
Monitor power source voltage, current and wattage.
DC Power Supply section
Enabled: If checked, a DC power supply is the selected power source.
Supply Low Voltage Limit: Set to a value just below the power supply’s normal
output voltage. If the supply voltage falls below this level, PowerLab 8 operations will
stop. If the voltage drops fast enough, the PowerLab 8 may reboot.
Current Limit: Set to match (or lower than) power supply’s maximum current. If the
charge rate is set higher than the input current allows, the PowerLab 8 will draw no
more than the level set here, which may limit output current to the pack. Typically set
this current limit to an amp or two below the power supply’s specified maximum output
current.
Supply Status section
Supply Voltage: Real-time power source voltage and current.
Output: Real-time power source power output.
Power Status: displays “Normal (No Limiting)” if the power source is operating within
limits set on this page. An appropriate message will be displayed if the power source
limits are exceeded.
If you are charging using multiple PowerLabs set for Expansion Channel mode, use the
list in the lower right panel to display data from a selected unit.
Battery Power Source section
Enabled: If checked, a battery is the selected power source.
Battery Type list: Select battery type being used to power PowerLab 8. Values in
this list’s templates are a starting point. Change the following settings as needed.
Show Warning at 50% DOD: If checked, PowerLab 8 measures battery voltage
when first connected. If the battery is below 50% depth of discharge (below that point,
most flooded Lead Acid batteries are damaged), PowerLab 8 beeps and issues a
warning. Press the BACK button to cancel the operation on the PowerLab 8, then
correct the situation. (You could press the ENTER button to proceed, but this is not
recommended.)
Battery Low Voltage Out: Set to low voltage cutoff value. If battery reaches this
voltage, charging stops to prevent over-discharge. 11.00V is recommended for most
12V batteries. For a 24V supply battery PowerLab 8 auto-detects two 12V batteries in
series and doubles the Battery Low Voltage Out setting selected.
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